Error separation method based on foundation strength system and foundation strength system
A ground-based augmentation system and error separation technology, applied in the field of GPS navigation and positioning, to reduce noise and multipath errors, and eliminate spatial gradients
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[0028] First introduce the model of the code and carrier phase observations in the GPS system:
[0029] Assume that the code and carrier phase observations at the L1 frequency of GPS are ρ 1 and φ 1 , whose equations are:
[0030] ρ 1 = r + i 1 + η ρ 1 φ 1 = r - i 1 + N 1 + ...
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